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Improving Trail Accessibility

June 3, 2021

Learn how you can collaborate with the National Park Service to improve trail accessibility and signage. 

The National Digital Trails team met with Quinn Brett (National Park Service Wilderness Accessibility) to discuss the importance of providing information about trails that can be used by others to determine what activities are appropriate on a particular trail section. It was interesting to learn about the Architectural Barriers Act Accessibility Guidelines; Outdoor Developed Areas ruling from 2013 requiring trailhead signage to include: length of the trail or trail segment; surface type; typical and minimum tread width; typical and maximum running slope; and typical and maximum cross slope (see image below for a sample sign). If you are interested in collaborating with Quinn or are willing to discuss your efforts to improve accessibility, please email Brett at

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